120630520 has 16 divisors (see below), whose sum is σ = 271418760. Its totient is φ = 48252192.

The previous prime is 120630509. The next prime is 120630533. The reversal of 120630520 is 25036021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1507842 + ... + 1507921.

Almost surely, 2^120630520 is an apocalyptic number.

120630520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120630520 is an abundant number, since it is smaller than the sum of its proper divisors (150788240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120630520 is a wasteful number, since it uses less digits than its factorization.

120630520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3015774 (or 3015770 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 120630520 is about 10983.1926141719. The cubic root of 120630520 is about 494.1047929051.

Adding to 120630520 its reverse (25036021), we get a palindrome (145666541).

The spelling of 120630520 in words is "one hundred twenty million, six hundred thirty thousand, five hundred twenty".